emerge -uDav --newuse world
is what you serarch for, it's a good idea do it also after a) change of default profile b) emerge --sync, this because it take care of packages that insert new use flags
if you change CFLAGS is better do an emerge --emptytree, I prefere to emerge gcc and glibc manually first of all but this is only a personal view.
francesco
Steven Susbauer ha scritto:
Just wondering if this is the method to use when you change CFLAGS or USE variables and want everything (system too?) recompiled with the new settings?
Andreas Claesson wrote:
The easy (and correct) way for doing what you want to do is: emerge --emptytree world
This makes emerge "forget" what you have installed and the result is that all system packages and all packages mentioned in your world, including all dependencies, will be re-emerged.
/Andreas
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